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In this activity, learners explore the structure of plant leaves. Learners find out what happens when they coat either the top or bottom sides of leaves with petroleum jelly.

$5 - $10 per group Ages 6 - 14 1 to 7 days
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In this activity, learners investigate how plants use water. By making the flowers change color, learners see how water moves up the stem to the leaves and the flowers.

$5 - $10 per group Ages 6 - 11 4 to 24 hours